View population growth projections for all countries under various scenarios. Track current and future overshoot levels. Explore sustainable population limits. Access country-specific solutions to . Compare demographic trends and resource impacts.
by Jasper Eikelboom★ 4.547 ratingsReferenceFreeData updated 2026-09-09
Learn by identifying countries, capitals, and flags through interactive quizzes. Earn achievements for correct answers. Improve memory and knowledge with age-appropriate challenges designed for children and adults alike.
Test knowledge with quizzes on countries, capitals, flags, and population. Compare countries using stats like area or population. Challenge friends locally or play solo. Track progress and learn fun facts about global locations.
Explore detailed with zoom functionality. View country profiles and compare locations. Access about geography, culture, and history. Search for places and view satellite imagery. Save favorite locations and share with others.
Receive live warnings with real-time tracking across all 50 states. View active warnings with polygon boundaries on maps. Access affected population and county data. Get daily activity summaries.
Compare territories by moving and resizing them to visualize relative sizes. Learn statistics about area and population. Explore different map projections and their distortions.
Learn country names, flags, and capitals through interactive map exploration. Tap to view details like capital, flag, area, and population. Choose modes to identify by name or location.
The app provides country profiles with details like currency, independence dates, capitals, population, and flags. Quizzes are categorized by subject, offering a scoring grade and report card at the end.
Play to earn quiz opportunities. Answer quizzes to improve scores. Track progress across 175 countries grouped by population. Solve puzzles to advance and unlock new regions.
Estimated life expectancy and survival probabilities.
The app provides estimated life expectancy based on age and year of birth using US population mortality data. It also displays an interactive chart of survival probabilities and calculates actuarial values for annuities and life insurance.